Adding a simple mutex class
Adding a simple mutex class

dj091111/seccompsandbox,aman-iitj/seccompsandbox,dj091111/seccompsandbox,dj091111/seccompsandbox,aman-iitj/seccompsandbox,aman-iitj/seccompsandbox,marylinh/seccompsandbox,marylinh/seccompsandbox,marylinh/seccompsandbox